Product name: 51100 Series
| Bearing No. | Boundary dimensions | Basic load ratings(kN) | Limiting speed（rpm） | Weight | ||||
| mm | Dynamic（Cr） | Static（Cor） | Grease | Oil | Kg | |||
| d | D | T | 脂 | 油 | ||||
| 51103 | 17 | 30 | 9 | 10.8 | 18.2 | 5,300 | 7,500 | 0.024 |
| 51104 | 20 | 35 | 10 | 14.2 | 24.5 | 4,800 | 6,700 | 0.036 |
| 51105 | 25 | 42 | 11 | 15.2 | 30.2 | 4,300 | 6,000 | 0.055 |
| 51106 | 30 | 47 | 11 | 16 | 34.2 | 4,000 | 5,600 | 0.062 |
| 51107 | 35 | 52 | 12 | 18.2 | 41.5 | 3,800 | 5,300 | 0.077 |
| 51108 | 40 | 60 | 13 | 26.8 | 62.8 | 3,400 | 4,800 | 0.11 |
| 51109 | 45 | 65 | 14 | 27 | 66 | 3,200 | 4,500 | 0.14 |
| 51110 | 50 | 70 | 14 | 27.2 | 69.2 | 3,000 | 4,300 | 0.15 |
| 51111 | 55 | 78 | 16 | 33.8 | 89.2 | 2,800 | 4,000 | 0.22 |
| 51112 | 60 | 85 | 17 | 40.2 | 108 | 2,600 | 3,800 | 0.27 |
| 51113 | 65 | 90 | 18 | 40.5 | 112 | 2,400 | 3,600 | 0.31 |
| 51114 | 70 | 95 | 18 | 40.8 | 115 | 2,200 | 3,400 | 0.33 |
| 51115 | 75 | 100 | 19 | 48.2 | 140 | 2,000 | 3,200 | 0.38 |
| 51116 | 80 | 105 | 19 | 48.5 | 145 | 1,900 | 3,000 | 0.4 |
16th year 